About the Number

131215304

131215303 ← → 131215305

2進数表記:111110100100010111111001000

漢数字表記:一億三千百二十一万五千三百四

素因数分解:

2 3 × 11 3 × 12323 1

素因数の和:12362
約数の個数: 32
約数和(自身を含む): 270635040
約数和(自身を除く): 139419736

約数列:
[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 1331, 2662, 5324, 10648, 12323, 24646, 49292, 98584, 135553, 271106, 542212, 1084424, 1491083, 2982166, 5964332, 11928664, 16401913, 32803826, 65607652, 131215304]

約数ペア:
[(1, 131215304), (2, 65607652), (4, 32803826), (8, 16401913), (11, 11928664), (22, 5964332), (44, 2982166), (88, 1491083), (121, 1084424), (242, 542212), (484, 271106), (968, 135553), (1331, 98584), (2662, 49292), (5324, 24646), (10648, 12323)]

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